Massive Stars Formed in a Gas Disk? Discovery of a Hot Circumstellar Disk around a Massive Protostar

April 7, 2014 | Science

Researchers discovered a hot circumstellar disk around a massive protostar by ALMA and VERA and got results of a long-standing problem.

Subaru Telescope Detects Rare Form of Nitrogen in Comet ISON

February 20, 2014 | Science

A team of astronomers succeeded the first time detection of rare isotope in the Comet ISON by Subaru Telescope's HDS.

A Drastic Chemical Change Occurring in Birth of Planetary System: Has the Solar System also Experienced it?

February 13, 2014 | Science

The international research team observed the protostar with ALMA, and discovered an unexpected chemical change.

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